[linux-2.6-block.git] / include / linux / bottom_half.h

#ifndef _LINUX_BH_H
#define _LINUX_BH_H

#include <linux/preempt.h>

#ifdef CONFIG_TRACE_IRQFLAGS
extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
#else
static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
{
	preempt_count_add(cnt);
	barrier();
}
#endif

static inline void local_bh_disable(void)
{
	__local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
}

extern void _local_bh_enable(void);
extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);

static inline void local_bh_enable_ip(unsigned long ip)
{
	__local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
}

static inline void local_bh_enable(void)
{
	__local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
}

#endif /* _LINUX_BH_H */
Commit	Line	Data
676dcb8b AM	1	#ifndef _LINUX_BH_H
	2	#define _LINUX_BH_H
	3
0bd3a173	4	#include <linux/preempt.h>
0bd3a173 PZ	5
	6	#ifdef CONFIG_TRACE_IRQFLAGS
	7	extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
	8	#else
	9	static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
	10	{
	11	preempt_count_add(cnt);
	12	barrier();
	13	}
	14	#endif
	15
	16	static inline void local_bh_disable(void)
	17	{
	18	__local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
	19	}
	20
676dcb8b	21	extern void _local_bh_enable(void);
0bd3a173 PZ	22	extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);
	23
	24	static inline void local_bh_enable_ip(unsigned long ip)
	25	{
	26	__local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
	27	}
	28
	29	static inline void local_bh_enable(void)
	30	{
	31	__local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
	32	}
676dcb8b AM	33
676dcb8b AM	34	#endif /* _LINUX_BH_H */